Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between LANDSAT-8 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/9/2023
Index Date (LANDSAT-8) Time (LANDSAT-8) Lat,Lon (LANDSAT-8) SZA (LANDSAT-8 ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 01/09/2023 22:25:47 70.17,-159.85 92.17 01/09/2023 22:25:21 70.17,-159.87 92.17 0.73 26
2 01/09/2023 23:15:17 -70.06, 7.62 87.95 01/09/2023 23:16:03 -70.08, 7.59 87.93 2.50 46
3 01/12/2023 13:52:47 -70.30, 148.58 88.11 01/12/2023 13:51:35 -70.30, 148.38 88.09 7.29 72
4 01/12/2023 14:42:15 70.14, -44.01 91.73 01/12/2023 14:42:18 70.13, -44.05 91.73 1.40 3
5 01/12/2023 15:31:46 -69.97, 123.39 88.43 01/12/2023 15:32:59 -69.99, 123.49 88.43 4.33 73
6 01/15/2023 06:09:16 -70.19, -95.70 88.67 01/15/2023 06:08:30 -70.17, -95.64 88.68 2.94 46
7 01/15/2023 06:58:43 70.08, 71.79 91.22 01/15/2023 06:59:14 70.06, 71.84 91.20 2.86 31
8 01/17/2023 21:36:05 70.71,-146.68 91.33 01/17/2023 21:34:55 70.78,-148.16 91.46 54.92 70
9 01/17/2023 22:25:43 -70.16, 20.15 89.20 01/17/2023 22:25:27 -70.15, 20.15 89.21 1.32 16
10 01/17/2023 23:15:10 70.05,-172.36 90.69 01/17/2023 23:16:11 70.04,-172.37 90.68 0.67 61
11 01/20/2023 13:52:39 70.21, -31.52 90.31 01/20/2023 13:51:40 70.19, -31.45 90.29 3.47 59
12 01/20/2023 14:42:09 -70.11, 135.97 89.80 01/20/2023 14:42:22 -70.09, 136.02 89.83 3.28 13
13 01/20/2023 15:31:47 69.39, -57.38 89.51 01/20/2023 15:32:55 69.40, -55.65 89.45 68.00 68

Figure of LANDSAT-8 and NPP satellite orbits during SNOs since TLE Epoch: 1/9/2023
SNOs_Map_LANDSAT-8_NPP_20230109.jpg

Download SNOs between LANDSAT-8 and NPP since TLE EPOCH: 01/09/2023 in txt file.

Historial Predications of SNOs between LANDSAT-8 and NPP